.nav_two {
    margin-right: 20px;
    height: 100%;
}

.nav_two .left {

    /* text-align: center; */
    /* border: 1px solid #000; */
    background-color: #FFF;
    height: 100%;
    border-radius: 8px;
    font-size: 16px;
    width: 200px;
    color: #666;
}

.nav_two .left>ul li div{
    min-height: 53px;
    line-height: 53px;
    list-style-type: none;
    position: relative;
    cursor: pointer;

}

.nav_two .left>ul li div a {
    position: absolute;
    left: 0;
    height: 100%;
    width: 100%;
}

.nav_two .left>ul li ul {
    transition: all 0.2s;
    max-height: 0;
    overflow: hidden;
    /* display: none; */
}

.nav_two .left>ul li ul li {
    min-height: 53px;
}

.nav_two .left>ul li img {
    position: relative;
    left: 30px;
    transition: all 0.2s;
}

.nav_two .active {
    background-color: #e5f1fc;
}

.nav_two .left>ul li .bbx {
    max-height: 300px;
}

.rotate {
    transform: rotate(180deg)
}